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<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>

    <style>
        div {
            margin: 0 auto;
        }

        img {
            cursor: pointer;
            filter: grayscale(100%) invert(1);
        }

        img:hover {
            filter: none;
        }
    </style>
</head>

<body>

    <div>
        <img src="./3.png" alt="">
    </div>

</body>

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